Expression Class Reference
Expression
public final class ExpressionQuery expression factory.
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Creates a property expression representing the value of the given property name.
Declaration
Swift
public static func property(_ property: String) -> PropertyExpressionProtocolParameters
propertyThe property name in the key path format.
Return Value
A property expression.
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Creates a star expression.
Declaration
Swift
public static func all() -> PropertyExpressionProtocolReturn Value
A star expression.
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Creates a value expression. The supported value types are String, NSNumber, int, int64, float, double, boolean, Date and null.
Declaration
Swift
public static func value(_ value: Any?) -> ExpressionProtocolParameters
valueThe value.
Return Value
The value expression.
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Creates a string expression.
Declaration
Swift
public static func string(_ value: String?) -> ExpressionProtocolParameters
valueThe string value.
Return Value
The string expression.
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Creates a number expression.
Declaration
Swift
public static func number(_ value: NSNumber?) -> ExpressionProtocolParameters
valueThe number value.
Return Value
The number expression.
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Creates an integer expression.
Declaration
Swift
public static func int(_ value: Int) -> ExpressionProtocolParameters
valueThe integer value.
Return Value
The integer expression.
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Creates a 64-bit integer expression.
Declaration
Swift
public static func int64(_ value: Int64) -> ExpressionProtocolParameters
valueThe 64-bit integer value.
Return Value
The 64-bit integer expression.
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Creates a float expression.
Declaration
Swift
public static func float(_ value: Float) -> ExpressionProtocolParameters
valueThe float value.
Return Value
The float expression.
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Creates a double expression.
Declaration
Swift
public static func double(_ value: Double) -> ExpressionProtocolParameters
valueThe double value.
Return Value
The double expression.
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Creates a boolean expression.
Declaration
Swift
public static func boolean(_ value: Bool) -> ExpressionProtocolParameters
valueThe boolean value.
Return Value
The boolean expression.
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Creates a date expression.
Declaration
Swift
public static func date(_ value: Date?) -> ExpressionProtocolParameters
valueThe date value.
Return Value
The date expression.
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Creates a parameter expression with the given parameter name.
Declaration
Swift
public static func parameter(_ name: String) -> ExpressionProtocolParameters
nameThe parameter name
Return Value
A parameter expression.
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Creates a negated expression representing the negated result of the given expression.
Declaration
Swift
public static func negated(_ expression: ExpressionProtocol) -> ExpressionProtocolParameters
expressionThe expression to be negated.
Return Value
A negated expression.
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Creates a negated expression representing the negated result of the given expression.
Declaration
Swift
public static func not(_ expression: ExpressionProtocol) -> ExpressionProtocolParameters
expressionThe expression to be negated.
Return Value
A negated expression